C12121223131323223313132322331323132313231333132313113313231333132313233231   >>    C1212122313132322331313232233132313231323133313231311331323133313231323323   <<    C12121223131323223313132322331323132313231333132313113313231333132313233233   >>      C12121223131323223313132322331323132313231333132313113313231333132313233232   >>